45140041010021 has 2 divisors, whose sum is σ = 45140041010022. Its totient is φ = 45140041010020.

The previous prime is 45140041009913. The next prime is 45140041010059. The reversal of 45140041010021 is 12001014004154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24891966964225 + 20248074045796 = 4989185^2 + 4499786^2 .

It is a cyclic number.

It is not a de Polignac number, because 45140041010021 - 2¹⁴ = 45140040993637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45140041010081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22570020505010 + 22570020505011.

It is an arithmetic number, because the mean of its divisors is an integer number (22570020505011).

Almost surely, 2^{45140041010021} is an apocalyptic number.

It is an amenable number.

45140041010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45140041010021 is an equidigital number, since it uses as much as digits as its factorization.

45140041010021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 45140041010021 its reverse (12001014004154), we get a palindrome (57141055014175).

The spelling of 45140041010021 in words is "forty-five trillion, one hundred forty billion, forty-one million, ten thousand, twenty-one".